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Individual Calculations October 2018 |
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| Chinchilla Nunez, Sebastian Total change: 27.60 | |   |
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| Campeonato Nacional Infantil Sub 13 Absoluto 2018 | Cartago | CRC | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1131 | 2.00 | 4 | 0.69 | 40 | 27.60 | |
|  Semana Ramirez, Jerian | | | 1300 | CRC | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Esquivel Jimenez, Douglas Daniel | | | 1253 | CRC | 1.00 | 1 | 0.67 | 40 | 26.80 | |  Frater Gonzalez, Gabriel | | | 1271 | CRC | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Rojas Mora, Jose Elias | | | 1208 | CRC | 0.00 | 1 | -0.39 | 40 | -15.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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